ఒక మొత్తం బారువడ్డీతో 2 సంవత్సరాల తర్వాత రూ.12100 మరియు 3 సంవత్సరాల తర్వాత రూ. 13310 అవుతుంది. అయిన వడ్డీ రేటును కనుగొనండి.

  1. 10%
  2. 12.5%
  3. 15%
  4. 8.5%

Answer (Detailed Solution Below)

Option 2 : 12.5%
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Detailed Solution

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ఇచ్చిన సమస్య:

2 సంవత్సరాల మొత్తం = 12100

3 సంవత్సరాల మొత్తం = 13310

ఉపయోగించిన ఫార్ములా:

బారువడ్డీ = (అసలు × రేటు × సమయం)/100

సాధన:

3వ సంవత్సరానికి వడ్డీ

⇒ 13310 – 12100 = 1210

1 సంవత్సరానికి వడ్డీ = రూ. 1210

అసలు = 2 సంవత్సరాలకు మొత్తం – 2 సంవత్సరాలకు వడ్డీ

అసలు = 12100 – 2 × 1210 = 9680

1210 = (9680 × రేటు × 1)/100

⇒ రేటు = 12.5%

∴ వడ్డీ రేటు 12.5%.

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